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Completion of Ivanhoe Reservoir Aeration and Recirculation Moves to Winter 2024


3D illustration of algae by iStock











As part of the Los Angeles Department of Water and Power (DWP) aeration and

recirculation infrastructure installation, DWP began pumping water from the Ivanhoe

Reservoir into the Silver Lake Reservoir on August 9, 2022. The project is designed to

reduce algae blooms and preserve water quality. The pumps will continue to operate from

Monday through Saturday, 7:00 a.m. to 4:00 p.m., until the Ivanhoe Reservoir is

completely drained. DWP officials anticipate that the drainage will be complete by

February 3, 2023. The installation of the recirculation system (phase 2) will begin as soon

as the Ivanhoe Reservoir is fully drained. However, project completion is now delayed

until winter 2024, due to pump failure and heavy rains.


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